(19)

(11)

EP 1 590 759 A2

(12)

(88) Date of publication A3: 11.11.2004 (43) Date of publication: 02.11.2005 Bulletin 2005/44 (21) Application number: 03790119.6 (22) Date of filing: 26.11.2003

(51) International Patent Classification (IPC)7: G06F 19/00 (86) International application number: PCT/US2003/037930 (87) International publication number: WO 2004/050301 (17.06.2004 Gazette 2004/25)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 27.11.2002 US 306287 (71) Applicant: Vulcan Engineering Company, Inc. Helena,Alabama 35080 (US)	(72) Inventor: DECORD, Frank D., Jr. Alabaster, AL 35007 (US) (74) Representative: McCarthy, Denis Alexis et al MacLachlan & Donaldson 47 Merrion Square Dublin 2 Dublin 2 (IE)